The PVC strategy was how I started, but I found that I'd need a 6" tube. The total cost ends up being more than a good quality rifle case. If I removed the scope then I could use a 4" tube, which would be cost effective but no more so than the bag strategy. Plus the bag strategy doesn't require a trip to the filing station. I think the PVC strategy would be good if I wanted to bury the rifle, had to keep it stored for a longer time, or keep it in a harsher environment.